Top dweets by u/rodrigo.siqueira

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #Opposites

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rodrigo.siqueira

remix of d/20815 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,f=g=>i*C(i*i)*g(i+t*(t>4));i--;x.fillRect(960+f(S)*C(t/3),540+f(C)*C(t/3),1,.5))x.fillStyle=R(i,i/9),c.style='filter:invert('

Nov 28 2020 5:01 PM UTC

}// 135/140

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Starry night swirl #spiral

u/jellyedwards

Wow that's beautiful! #waitforit
u/ElderLord7777

how do I see the code?

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rodrigo.siqueira

remix of d/18653 by u/rodrigo.siqueira

function u(t) {

for(i=1e3;i--;x.fillStyle=R(Y+Z,Y/3,X,.1))x.fillRect(X=C(z=S(i**9)*7-5)*i**1.5,Y=600+S(z/2)*i*S(t/5)*3,Z=400*S(i),Z),x.strokeRect(X,Y,Z,Z)

Jun 1 2020 8:34 PM UTC

}// 138/140

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Moving squares - Abstract Neoplasticism #art

u/Xen

love it!
u/taupelink

This is excellent
u/tomxor

Strangely familiar O_o
u/DataMeta

Fun!! #abstract

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rodrigo.siqueira

remix of d/18413 by u/pavel

function u(t) {

for(f=c=>S(S(9*c/d)*t),Y=t/3-1,i=2e3;i--;x.fillRect(i,t*180,(1+f(X)*f(Y))*(d/2+Y),3))X=i/480-2,r=X*X+Y*Y,x.fillStyle=R(C(r)*120),d=r>1||T(r)

Apr 23 2020 3:35 PM UTC

}// 140/140

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Red Sphere Reflection #raytracing

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rodrigo.siqueira

remix of d/18262 by u/KilledByAPixel

function u(t) {

c.style.filter=`sepia()invert(`
for(P=j=2e4;j--;j%99||(T=P=S(t+j)*2,R=C=T*2))
P=P*P-C*C+(C=2*C*P+R,T),x.fillRect(C*450+960,P*450+700,1,1)

Apr 15 2020 12:59 AM UTC

}// 137/140

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Particle collision inside a hadron collider #particles

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rodrigo.siqueira

remix of d/17778 by u/rodrigo.siqueira

function u(t) {

c.style='filter:sepia()invert('
for(A=a=b=i=1e4;i--;a=a/2+(i*t/b&1)/4+b*S(a)/2,b=b/2+C(A*4.6)/3,A=a)x.fillRect(a*3e3+80,650-b*830,.3,t<2)

Feb 28 2020 2:36 AM UTC

}// 137/140

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#growth of ice crystals

u/rodrigo.siqueira

I used a golf trick to plot for only 2 seconds: x.fillRect(...,...,...,t<2). If time >2 then the pixel height will be zero.
u/joeytwiddle

Very pretty

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rodrigo.siqueira

remix of d/16264 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;x.fillStyle=R(0,Φ*30))x.fillRect(a+=S(Φ),b-=C(Φ),r/9,1);while(r>18)v(a,b,Φ+S(b)/2+.3,r*=.78)}
v(1e4*t,1550,t,470)

Feb 16 2020 9:43 PM UTC

}// 140/140

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Forest #plant #tree #growth

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rodrigo.siqueira

function u(t) {

/* 🌊 */
i=1e5
for(x.fillStyle=R(0,9,X=Y=99);i--;){
r=t*i*Y&8
Y=r+(Y-X)/2+X/7
X+=S(Y/2)*(Y/2)/1.3
x.fillRect(Y*250+2600,X*175-900,.3,t<5)
}

Oct 22 2024 1:49 PM UTC

}// 138/140

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The Great Wave off Dwitter #wave #sea

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rodrigo.siqueira

remix of d/28384 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=1e4;i--;a+=(i*t/b&1)/7-a*a+b*S(a/40)*5,b+=C(a*5))x.fillRect(a*5e3-1e3,1500-b*500,.2,t<7)

Sep 3 2023 10:17 PM UTC

}// 125/140

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Organic crystals

u/384.cz

Amazing how it it so texturish
u/joeytwiddle

very nice

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rodrigo.siqueira

remix of d/28202 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(212+(-i%2|1)*C(K=i/1e4*a/.4+1/a+S(i/399))*500*a+500*(i%2+1),300+S(K)*500*a,t<4,.02-a/8))a=(i*i/t)%2-2

Jul 31 2023 12:29 AM UTC

}// 126/140

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Funny spirals

u/384.cz

it looks like fly
u/tomxor

I for one welcome our new hypno fly overlords
u/robbyg

OBEY.

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rodrigo.siqueira

remix of d/26451 by u/rodrigo.siqueira

function u(t) {

for(m=2e3;m--;x.fill(x.stroke()))x.beginPath(x.fillStyle=R(m*3*C(m*m+t*8),3*m*S(t),m,.1)),x.arc(960+m*S(K=m-t/9)*3,540+m*C(K+.02/t)*3,m,0,8)

Apr 25 2023 1:34 PM UTC

}// 140/140

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Electric color lights

u/joeytwiddle

Yummy!
u/taupelink

Groovy!
u/andrea270872

niiice
u/jdspugh

Amazing

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